iET PRS-300 Series Скачать руководство пользователя страница 5 | Manualshive

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iET PRS-300 Series Скачать руководство пользователя страница 5

WARRANTY

We warrant that this product is free from defects in material and workmanship and, when properly used,
will perform in accordance with applicable IET speci

fi

cations. If within one year after original shipment,

it is found not to meet this standard, it will be repaired or, at the option of IET, replaced at no charge when
returned to IET. Changes in this product not approved by IET or application of voltages or currents greater
than those allowed by the speci

fi

cations shall void this warranty. IET shall not be liable for any indirect,

special, or consequential damages, even if notice has been given to the possibility of such damages.

THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED,
INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR ANY PARTICULAR PURPOSE.

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Содержание PRS-300 Series

Страница 1: ...TRUMENTS FOR TEST AND MEASUREMENT TEL 516 334 5959 800 899 8438 FAX 516 334 5988 www ietlabs com IET LABS INC PRS 300 SERIES Programmable Decade Resistance Substituters IEEE 488 2 Ethernet and USB Ope...

Страница 2: ...TEL 516 334 5959 800 899 8438 FAX 516 334 5988 www ietlabs com IET LABS INC...

Страница 3: ...ASUREMENT TEL 516 334 5959 800 899 8438 FAX 516 334 5988 www ietlabs com IET LABS INC Copyright 2017 IET Labs Inc PRS 300 IM June 2018 PRS 300 SERIES Programmable Decade Resistance Substituters IEEE 4...

Страница 4: ...TEL 516 334 5959 800 899 8438 FAX 516 334 5988 www ietlabs com IET LABS INC PRECISION INSTRUMENTS FOR TEST AND MEASUREMENT...

Страница 5: ...at no charge when returned to IET Changes in this product not approved by IET or application of voltages or currents greater than those allowed by the specifications shall void this warranty IET shall...

Страница 6: ...E USED TAKE ALL MEASURES TO AVOID ACCIDENTAL CONTACT WITH ANY LIVE COMPONENTS USE MAXIMUM INSULATION AND MINIMIZE THE USE OF BARE CONDUCTORS WHEN USING THIS INSTRUMENT Use extreme caution when working...

Страница 7: ...E APPLYING POWER Verify that all safety precautions are taken Make all connections to the instrument before applying power Note the instrument s external markings described under Safety Symbols GROUND...

Страница 8: ...are hot and may cause personal injury if touched Disposal Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC This product complies with the WEEE Directive 2002 96 EC marking requireme...

Страница 9: ...Instructions 6 3 4 Menu Structure 7 3 4 1 Main Menu 8 3 4 2 Setting a Resistance Value 8 3 4 3 Menu Button 8 3 4 4 Standard Values Screen 8 3 4 5 TABLE Key 9 3 4 6 Increment INCR Key 9 3 4 7 OPEN Key...

Страница 10: ...l Considerations 23 8 1 3 Calibration Procedure 23 8 1 4 Adjustment of Internal Resistors 23 Chapter 9 PRS DMM Self Adjusting Software 25 9 1 PRS DMM Self Adjusting Softtware 25 9 1 1 PRS DMM Self Adj...

Страница 11: ...ontacts from becom ing tarnished when unused or when only low currents are passed through them This is most often the case when only minute test currents are drawn by digital multimeters and other tes...

Страница 12: ...ement for calibration applica tions and 2 wire mode for use in series as a substitute resistor and for RTD applications The front panel display indicates the mode selected 2 wire or 4 wire There are t...

Страница 13: ...s to GND 850 pF Resistance Typical ac dc difference 1 kHz 0 1 10 k 100 ppm 10 100 k 200 ppm 100 k 1 M 1 1 20 M 20 Terminals Four low emf gold plated tellurium copper 5 way binding posts are used for H...

Страница 14: ...cal electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE Directive Annex I this product is classed as a Monitoring and Control instrumentat...

Страница 15: ...chever applies first Resistors Precision wire wound and metal foil RTD Tables 9 RTD tables can be entered into memory to allow user selection of temperature and the correct value of resistance will au...

Страница 16: ...SPECIFICATIONS PRS 300 Series 6...

Страница 17: ...moved on the binding posts of the PRS 300 and the PRS 300 set to 4 Wire 2 Wire connection the gold shorting links must be used on the binding posts of the PRS 300 and the PRS 300 set to 2 Wire See sec...

Страница 18: ...owing submenu 1 STANDARD VALUES 1 1 STD VALUES 2 5 STD VALUES 3 10 STD VALUES 4 RATIOMETRIC 2 CONFIGURE 1 LCD CONTRAST 2 2W 4W MODE 3 CALIBRATE 4 VERSION Press MENU to select one of the following 1 ST...

Страница 19: ...3 4 4 Standard Values Screen There are 4 selections available in the STANDARD VALUES menu The operation of the standard values allows the PRS 300 to be used as an automated resistance carousel with bu...

Страница 20: ...hen the screen will look like Figure 3 5 showing temperature on top line and resistance on the bottom line Figure 3 5 PR 100 C set to 0 25 C For negative temperatures press the 000 key prior to enteri...

Страница 21: ...ng the MENU button selecting CONFIGURE pressing the 2 will change between 2 wire and 4 wire modes The use of 4W mode with Kelvin leads minimize the effects of contact resistance and gives best perform...

Страница 22: ...built calibrated and intended for use in a laboratory environment with a nominal ambient temperature near 23o C The accuracy of the unit may be affected when operated in non laboratory environments Al...

Страница 23: ...ally when the PRS 300 is connected to a computer using the USB port Windows 7 and higher will search for the correct driver and as long as the computer is connected to the internet the driver should a...

Страница 24: ...PRS 300 Series IEEE INTERFACE OPTION 14...

Страница 25: ...out is two min utes and it is recommended that the client issue a Space BS sequence on an occasional basis less than the timeout to reset the timeout counter VXI 11 Background VXI 11 is a communicatio...

Страница 26: ...ng systems The Java jGpibEnet project on SourceForge was developed using an ICS 8065 Controller similar to the PRS Controller 5 4 Network Configuration This paragraph configures the 9006 card in the P...

Страница 27: ...For Windows PCs right click on My Network Places and click on Properties Right click on Local Area Connection and click Properties Highlight Internet Protocol TCP IP and click Properties If your PC s...

Страница 28: ...I 11 Configuration Utility Method The VXI 11 Configuration Utility program is called VXI11_config exe and runs in any WIN32 PC with Windows 98 Me 2K XP Vista 7 and Server 2003 operating systems The VX...

Страница 29: ...e Find Server Help and Exit buttons are enabled on the program window The other buttons will be enabled as you advance through the program 5 Click on the Find Server button The program scans for all V...

Страница 30: ...192 168 1 xxx range in step 3 your PC s network settings will have to be changed to communicate with the board Exit the VXI11_ config program and restore the PC s network settings 5 7 Resetting Defaul...

Страница 31: ...tion and a command reference are located in Appendix A Other tutorials are available on line con sult IET for additional information A software GPIB keyboard can be found at www ietlabs com 6 2 Capabi...

Страница 32: ...ERFACE OPTION 22 Unzip the file and follow instructions to install Open the application You may use the Find Listeners button to confirm that the PRS unit is recognized Other instruments may also be r...

Страница 33: ...via any of the commands listed in Appendix B For USB and RS 232 interfaces lf cr or crlf can be used as terminator The device returns in this case crlf The device performs all commands previously sent...

Страница 34: ...PROGRAMMING PRS 300 Series 24...

Страница 35: ...y There should be no temperature gradients across the unit under test In the case of the PRS 300 a Kelvin type 4 wire test terminals should be used to obtain accurate low resistance readings Steps sho...

Страница 36: ...ry The internal lead resistance does not need to be measured again unless repair has been per formed to the PRS 300 Below is a list of the 43 resistors and their nominal resistance value These resisto...

Страница 37: ...lues To enter into the calibration process press the MENU key and then select 3 for calibration At the end of the process all cali bration values will be saved into memory At anytime pressing the MENU...

Страница 38: ...300 Programmable Resistance Substituter Kelvin cables between PRS 300 and Fluke 8508A GPIB cables as necessary 9 1 3 Software Installation Install the PRS DMM Self Adjusting Software using the supplie...

Страница 39: ...res and adjusts the PRS 300 to achieve the closest value possible to the entered target value The accuracy depends upon the MEASUREMENT SPEED See section 9 3 5 9 3 PRS DMM Settings 9 3 1 PRS DMM Setti...

Страница 40: ...nd autorange ON The 8508A will also be configured for Low Current Fast AD Integration OFF and Analog Filter OFF If additional commands need to be sent to the DMM click on the Configure Button and ente...

Страница 41: ...ents are made with 6 digits of resolution and measurements and adjustments are made until the accuracy is better than 40 ppm Fast measurements are made with 6 digits of resolution There are no adjustm...

Страница 42: ...PRS 300 Series PRS DMM SOFTWARE 32...

Страница 43: ...Semicolons separate messages Colons separate command words Commas separate data fields nl Line feed and or EOI as last character terminates a program message Line feed ASCII 10 and EOI terminates a RE...

Страница 44: ...with line feed lf Response from the device also returns line feed lf IEEE 488 2 Common Commands IDN Returns instrument identification IET Labs PRS 300 Serial Number software version ESR Returns the r...

Страница 45: ...treated as a single Message Unit with results sepa rated by commas If a particular test has None selected as a secondary parameter no place will be reserved for the null result As an example a sequenc...

Страница 46: ...ion Complete This register is read by executing an ESR command page 76 except no Note that this is a destructive read Reading the register clears it Each bit of the Event register must be enabled in o...

Страница 47: ...r Recalls resistance value from memory location 0 to 9 Number is 0 to 9 SYSTEM Commands SYSTem SERIal Ax xxxxxxxx Sets the serial number in non volatile memory serial num ber Serial number in the form...

Страница 48: ...ed value of resistance in ohms into mem ory number is a floating point number representing the resistance value in ohms for the internal resistor being measured Each time the command CALI RES SET is u...

Страница 49: ...0 is no table with display shown in ohms and 1 2 and 3 are user defined tables CONFigure TABLe SELect Returns table number that is selected CONFigure TABLe NAME name Sets Table name name is ASCII up...

Страница 50: ...PRS 300 Series APPENDIX B 40...

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